What does the phrase “the voices around you kept shouting their bad advice” mean? how does it set the tone of the poem?

It means that you feel like their are voices around you telling you to do bad things.

Explanation:

It helps set the tone because it puts the character in a bad mood.

the primary theme of "elegy written in a country churchyard" is a reflection about the significance of the lives of a group of modest people buried in a rural church cemetery. elegies focus on the death of an individual or group of people, and they generally have a melancholy tone. hope this you all.